body{
    display: flex;
    flex-direction: column;
}
header{
    height: 40px;
    text-align: center;
    font-size: 18px;
    line-height: 40px;
}
main{
    position: relative;
    background: url(../../assets/imgs/advertisement-bg.jpg) no-repeat center;
    background-size: cover;
    height: 100%;
}
.skip{
    position: absolute;
    right: 14px;
    top: 28px;
width: 105px;
height: 40px;
line-height: 40px;
border-radius: 20px 20px 20px 20px;
background-color: rgba(255, 255, 255, 1);
text-align: center;
font-size: 14px;
border: 1px solid rgba(187, 187, 187, 1);
}

.theme{
position: absolute;
bottom: 124px;
width: 100%;
height: 64px;
color: rgba(255, 255, 255, 1);
font-size: 36px;
text-align: center;
}